OPU Problem Inspection Procedure |
1. |
TEST OPU GROUND CIRCUIT: Measure resistance between OPU and chassis
ground using the backside of OPU harness connector as OPU side check
point. If the problem is found, repair it.
|
2. |
TEST OPU CONNECTOR: Disconnect the OPU connector and visually
check the ground terminals on OPU side and harness side for bent pins
or poor contact pressure. If the problem is found, repair it.
|
3. |
If problem is not found in Step 1 and 2, the OPU could be faulty.
If so, make sure there were no DTC's before swapping the OPU with a
new one, and then check the vehicle again. If DTC's were found, examine
this first before swapping OPU.
|
4. |
RE-TEST THE ORIGINAL OPU: Install the original OPU (may be broken)
into a known-good vehicle and check the vehicle. If the problem occurs
again, replace the original OPU with a new one. If problem does not
occur, this is intermittent problem (Refer to “Intermittent Problem
Inspection Procedure” in Basic Inspection Procedure
|
Replacement
When the receiver first arrives for replacement:
1)
It will be in Virgin State.
...
TCM Terminal Input/ Output Signal
Connector [A]
Pin
Description
Condition
Input/output value
Type
Level
1
-
...
Description
Idle Stop & Go (ISG) function automatically switches off the engine when
the car is at a standstill if the and starts it again as soon as the brake pedal
is released. This not only reduce ...